Carpenter&#39;s square



FIG. 1 is a front, top and side perspective view of the carpenter's square embodying the design of the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The rectangular opening on the ruler portion is a viewing window for layout marks. 

The ornamental design for a carpenter's square, as shown and described. 